package com.example.speeddating.tool;

import org.apache.commons.lang3.RandomStringUtils;

public class StringTools {
    public static Boolean isEmpty(String str) {
        if (null==str || "".equals(str.trim())||"null".equals(str)) {
            return true;
        }else {
            return false;
        }
    }

    public static final  String getRandomString(Integer count){
        return RandomStringUtils.random(count,true,true);
    }

}
